mirror of https://github.com/mpv-player/mpv
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* mpv is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <pthread.h>
|
|
|
|
#include "common/common.h"
|
|
#include "config.h"
|
|
#include "threads.h"
|
|
#include "timer.h"
|
|
|
|
#if HAVE_BSD_THREAD_NAME
|
|
#include <pthread_np.h>
|
|
#endif
|
|
|
|
int mpthread_mutex_init_recursive(pthread_mutex_t *mutex)
|
|
{
|
|
pthread_mutexattr_t attr;
|
|
pthread_mutexattr_init(&attr);
|
|
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
|
|
int r = pthread_mutex_init(mutex, &attr);
|
|
pthread_mutexattr_destroy(&attr);
|
|
return r;
|
|
}
|
|
|
|
void mpthread_set_name(const char *name)
|
|
{
|
|
char tname[80];
|
|
snprintf(tname, sizeof(tname), "mpv/%s", name);
|
|
#if HAVE_GLIBC_THREAD_NAME
|
|
if (pthread_setname_np(pthread_self(), tname) == ERANGE) {
|
|
tname[15] = '\0'; // glibc-checked kernel limit
|
|
pthread_setname_np(pthread_self(), tname);
|
|
}
|
|
#elif HAVE_WIN32_INTERNAL_PTHREADS || HAVE_BSD_THREAD_NAME
|
|
pthread_set_name_np(pthread_self(), tname);
|
|
#elif HAVE_OSX_THREAD_NAME
|
|
pthread_setname_np(tname);
|
|
#endif
|
|
}
|
|
|
|
int mp_ptwrap_check(const char *file, int line, int res)
|
|
{
|
|
if (res && res != ETIMEDOUT) {
|
|
fprintf(stderr, "%s:%d: internal error: pthread result %d (%s)\n",
|
|
file, line, res, mp_strerror(res));
|
|
abort();
|
|
}
|
|
return res;
|
|
}
|
|
|
|
int mp_ptwrap_mutex_init(const char *file, int line, pthread_mutex_t *m,
|
|
const pthread_mutexattr_t *attr)
|
|
{
|
|
pthread_mutexattr_t m_attr;
|
|
if (!attr) {
|
|
attr = &m_attr;
|
|
pthread_mutexattr_init(&m_attr);
|
|
// Force normal mutexes to error checking.
|
|
pthread_mutexattr_settype(&m_attr, PTHREAD_MUTEX_ERRORCHECK);
|
|
}
|
|
int res = mp_ptwrap_check(file, line, (pthread_mutex_init)(m, attr));
|
|
if (attr == &m_attr)
|
|
pthread_mutexattr_destroy(&m_attr);
|
|
return res;
|
|
}
|